From:   Sergio Paracuellos <sergio.paracuellos@gmail.com>
To:     linux-watchdog@vger.kernel.org
Cc:     wim@linux-watchdog.org, linux@roeck-us.net, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com,
        arinc.unal@arinc9.com, tsbogend@alpha.franken.de,
        p.zabel@pengutronix.de, linux-kernel@vger.kernel.org,
        devicetree@vger.kernel.org, linux-mips@vger.kernel.org
Subject: [PATCH v4 1/5] dt-bindings: watchdog: mt7621-wdt: add phandle to access system controller registers
Date:   Sat, 11 Feb 2023 08:33:53 +0100
Message-Id: <20230211073357.755893-2-sergio.paracuellos@gmail.com>
In-Reply-To: <20230211073357.755893-1-sergio.paracuellos@gmail.com>
References: <20230211073357.755893-1-sergio.paracuellos@gmail.com>
MIME-Version: 1.0
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MT7621 SoC provides a system controller node for accessing to some registers.
Add a phandle in this node to avoid using MIPS related arch operations and
includes in watchdog driver code.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
---
 .../devicetree/bindings/watchdog/mediatek,mt7621-wdt.yaml  | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/watchdog/mediatek,mt7621-wdt.yaml b/Documentation/devicetree/bindings/watchdog/mediatek,mt7621-wdt.yaml
index b2b17fdf4..a668d0c2f 100644
--- a/Documentation/devicetree/bindings/watchdog/mediatek,mt7621-wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/mediatek,mt7621-wdt.yaml
@@ -19,6 +19,12 @@ properties:
   reg:
     maxItems: 1
 
+  mediatek,sysctl:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      phandle to system controller 'sysc' syscon node which
+      controls system registers
+
 required:
   - compatible
   - reg
@@ -30,4 +36,5 @@ examples:
     watchdog@100 {
       compatible = "mediatek,mt7621-wdt";
       reg = <0x100 0x100>;
+      mediatek,sysctl = <&sysc>;
     };
-- 
2.25.1